新一代对话入口的变化，已经不再停留在回答更快。关键的转折，是用户的操作入口从切应用，变成说需求。过去完成订票，常要穿过多个入口；现在智能入口开始把这些路径压缩成一句话。它不再只是问答框，而是数字生活的调度台。 这种产品的核心升级，是从

With conversational AI entering more professional environments, their ability to protect information has become a major operational concern. Users may share business plans, personal questions, and internal documents during a single interaction. A useful system must therefore do more than automate